Samsung SCH-A790 Series User Manual page 195

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Never dispose of the battery by incineration.
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Keep the metal contacts on top of the battery clean.
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Don't attempt to disassemble or short-circuit the battery.
•
The battery may need recharging if it has not been used
for a long period of time.
•
It's best to replace the battery when it no longer provides
acceptable performance. It can be recharged hundreds
of times before it needs replacing.
Don't store the battery in high temperature areas for long
periods of time. It's best to follow these storage rules:
Less than one month:
32º F to 131º F (0º C to 55º C)
More than one month:
32º F to 104º F (0º C to 40º C)
Disposal of Lithium Ion (Li-Ion) Batteries
For safety, do not handle a damaged or leaking
Li-Ion battery.
For safe disposal options of your Li-Ion batteries, contact your
nearest Samsung-authorized service center.
Special Note: Be sure to dispose of your battery properly. In
some areas, the disposal of batteries in household or
business trash may be prohibited.
Performance and Safety
187